公开(公告)号：US4558880A

公开(公告)日：1985-12-17

申请号：US496550

申请日：1983-05-20

Applicant: Terry Nangle ,  John Nangle ,  Salih Kazim

Inventor： Terry Nangle ,  John Nangle ,  Salih Kazim

IPC: B60D1/28 ,  B60D1/38 ,  B60D1/58 ,  B60D7/02

CPC classification number: B60D1/28 ,  B60D1/38 ,  B60D1/58 ,  Y10T292/283 ,  Y10T70/5164 ,  Y10T70/5199

Abstract: The present invention relates to a coupling member which comprises a first slotted member and a second key member, wherein the second key member is arranged to be inserted in to the slot of the first member and to be latched to the first member upon being partially rotated. The coupling member of the present invention is particulary envisaged for use as a secondary safety coupling between a towing vehicle and a trailer which are coupled by a primary coupling such as a ball and socket coupling.

Abstract translation: 本发明涉及一种联接构件，其包括第一开槽构件和第二键构件，其中第二键构件布置成插入第一构件的狭槽中并且在部分旋转时被闩锁到第一构件 。 本发明的联接构件特别设想用作牵引车辆和拖车之间的辅助安全联接器，其通过诸如球窝联接器的主联接器联接。